English: Forelimb elements of Oksoko avarsan. (a,b) Left humerus of MPC-D 100/33 in anterior (a) and lateral (b) views. (c) Right radius, ulna and manus of MPC-D 102/110.a in lateral view. (d) Left carpals and manus of MPC-D 102/110.a in dorsal (extensor) view. (e) Left metacarpal III of MPC-D 102/110.a in medial view. (f) Left manual phalanx III-1 of MPC-D 102/110.a in lateral (top), proximal (right), dorsal (bottom) and distal (left) views. (g) Semilunate carpal and sesamoid ossicles of MPC-D 102/110.a in proximal view. (h) Range of motion of digits I (white) and II (grey) of Oksoko avarsan based on manual manipulation, in full extension (top) and full flexion (bottom). dc, distal condyle; dist, distal end; dp, dorsal process; dpc, deltopectoral crest; ecte, ectepicondylar tuber; ente, entepicondylar tuber; h, head; I-1, manual phalanx I-1; I-2, manual ungual I-2; II-1, manual phalanx II-1; II-2, manual phalanx II-2; II-3, manual ungual II-3; III-1, manual phalanx III-1; mc I–III, metacarpals I–III; ole, olecranon; prox, proximal end; rad, radius; rade, radiale; sed, sediment; ses, sesamoid ossicles; slc, semilunate carpal; uln, ulna. Scale bars as indicated.